Metatorbernite

phosphate

Formula:Cu(UO2)2(PO4)2.8H2O hydrated normal phosphate
The prefix "meta" denotes a dehydration product (of torbernite)
Specific gravity: 3.52 to 3.70
Hardness: 2½
Streak: Pale green
Colour: Pale green to dark green
Solubility: Moderately soluble in hydrochloric, sulphuric and nitric acids

Igeous environments
Hydrothermal environments

Metatorbernite is typically a secondary mineral, formed as a dehydration product of torbernite, which is unstable; it also may be formed directly above 75oC.

Common impurities: Ca,Ba,Mg

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